Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Output, Capacity, and Capacity Utilization," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "December 1979," Federal Reserve Bulletin (December 1979) : 126-126. https://fraser.stlouisfed.org/title/62/item/20460/toc/129786 , accessed on May 10, 2024.